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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ---------------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * WindItemRenderer.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ---------------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2001-2008, by Achilleus Mantzios and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  Achilleus Mantzios;<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes<a name="line.35"></a>
<span class="sourceLineNo">036</span> * -------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 06-Feb-2002 : Version 1, based on code contributed by Achilleus<a name="line.37"></a>
<span class="sourceLineNo">038</span> *               Mantzios (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 28-Mar-2002 : Added a property change listener mechanism so that renderers<a name="line.39"></a>
<span class="sourceLineNo">040</span> *               no longer need to be immutable.  Changed StrictMath --&gt; Math<a name="line.40"></a>
<span class="sourceLineNo">041</span> *               to retain JDK1.2 compatibility (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 09-Apr-2002 : Changed return type of the drawItem method to void, reflecting<a name="line.42"></a>
<span class="sourceLineNo">043</span> *               the change in the XYItemRenderer method (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 21-Jan-2003 : Added new constructor (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 25-Mar-2003 : Implemented Serializable (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 01-May-2003 : Modified drawItem() method signature (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 20-Aug-2003 : Implemented Cloneable and PublicCloneable (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 25-Feb-2004 : Replaced CrosshairInfo with CrosshairState (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 15-Jul-2004 : Switched getX() with getXValue() and getY() with<a name="line.51"></a>
<span class="sourceLineNo">052</span> *               getYValue() (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.53"></a>
<span class="sourceLineNo">054</span> * 02-Feb-2007 : Removed author tags from all over JFreeChart sources (DG);<a name="line.54"></a>
<span class="sourceLineNo">055</span> *<a name="line.55"></a>
<span class="sourceLineNo">056</span> */<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>package org.jfree.chart.renderer.xy;<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>import java.awt.Color;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import java.awt.Font;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import java.awt.Graphics2D;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import java.awt.Paint;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import java.awt.Stroke;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import java.awt.geom.Line2D;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import java.awt.geom.Rectangle2D;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import java.io.Serializable;<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.jfree.chart.axis.ValueAxis;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.jfree.chart.plot.CrosshairState;<a name="line.70"></a>
<span class="sourceLineNo">071</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.71"></a>
<span class="sourceLineNo">072</span>import org.jfree.chart.plot.XYPlot;<a name="line.72"></a>
<span class="sourceLineNo">073</span>import org.jfree.data.xy.WindDataset;<a name="line.73"></a>
<span class="sourceLineNo">074</span>import org.jfree.data.xy.XYDataset;<a name="line.74"></a>
<span class="sourceLineNo">075</span>import org.jfree.ui.RectangleEdge;<a name="line.75"></a>
<span class="sourceLineNo">076</span>import org.jfree.util.PublicCloneable;<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span>/**<a name="line.78"></a>
<span class="sourceLineNo">079</span> * A specialised renderer for displaying wind intensity/direction data.<a name="line.79"></a>
<span class="sourceLineNo">080</span> * The example shown here is generated by the &lt;code&gt;WindChartDemo1.java&lt;/code&gt;<a name="line.80"></a>
<span class="sourceLineNo">081</span> * program included in the JFreeChart demo collection:<a name="line.81"></a>
<span class="sourceLineNo">082</span> * &lt;br&gt;&lt;br&gt;<a name="line.82"></a>
<span class="sourceLineNo">083</span> * &lt;img src="../../../../../images/WindItemRendererSample.png"<a name="line.83"></a>
<span class="sourceLineNo">084</span> * alt="WindItemRendererSample.png" /&gt;<a name="line.84"></a>
<span class="sourceLineNo">085</span> */<a name="line.85"></a>
<span class="sourceLineNo">086</span>public class WindItemRenderer extends AbstractXYItemRenderer<a name="line.86"></a>
<span class="sourceLineNo">087</span>        implements XYItemRenderer, Cloneable, PublicCloneable, Serializable {<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span>    /** For serialization. */<a name="line.89"></a>
<span class="sourceLineNo">090</span>    private static final long serialVersionUID = 8078914101916976844L;<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span>    /**<a name="line.92"></a>
<span class="sourceLineNo">093</span>     * Creates a new renderer.<a name="line.93"></a>
<span class="sourceLineNo">094</span>     */<a name="line.94"></a>
<span class="sourceLineNo">095</span>    public WindItemRenderer() {<a name="line.95"></a>
<span class="sourceLineNo">096</span>        super();<a name="line.96"></a>
<span class="sourceLineNo">097</span>    }<a name="line.97"></a>
<span class="sourceLineNo">098</span><a name="line.98"></a>
<span class="sourceLineNo">099</span>    /**<a name="line.99"></a>
<span class="sourceLineNo">100</span>     * Draws the visual representation of a single data item.<a name="line.100"></a>
<span class="sourceLineNo">101</span>     *<a name="line.101"></a>
<span class="sourceLineNo">102</span>     * @param g2  the graphics device.<a name="line.102"></a>
<span class="sourceLineNo">103</span>     * @param state  the renderer state.<a name="line.103"></a>
<span class="sourceLineNo">104</span>     * @param plotArea  the area within which the plot is being drawn.<a name="line.104"></a>
<span class="sourceLineNo">105</span>     * @param info  optional information collection.<a name="line.105"></a>
<span class="sourceLineNo">106</span>     * @param plot  the plot (can be used to obtain standard color<a name="line.106"></a>
<span class="sourceLineNo">107</span>     *              information etc).<a name="line.107"></a>
<span class="sourceLineNo">108</span>     * @param domainAxis  the horizontal axis.<a name="line.108"></a>
<span class="sourceLineNo">109</span>     * @param rangeAxis  the vertical axis.<a name="line.109"></a>
<span class="sourceLineNo">110</span>     * @param dataset  the dataset.<a name="line.110"></a>
<span class="sourceLineNo">111</span>     * @param series  the series index (zero-based).<a name="line.111"></a>
<span class="sourceLineNo">112</span>     * @param item  the item index (zero-based).<a name="line.112"></a>
<span class="sourceLineNo">113</span>     * @param crosshairState  crosshair information for the plot<a name="line.113"></a>
<span class="sourceLineNo">114</span>     *                        (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.114"></a>
<span class="sourceLineNo">115</span>     * @param pass  the pass index.<a name="line.115"></a>
<span class="sourceLineNo">116</span>     */<a name="line.116"></a>
<span class="sourceLineNo">117</span>    public void drawItem(Graphics2D g2,<a name="line.117"></a>
<span class="sourceLineNo">118</span>                         XYItemRendererState state,<a name="line.118"></a>
<span class="sourceLineNo">119</span>                         Rectangle2D plotArea,<a name="line.119"></a>
<span class="sourceLineNo">120</span>                         PlotRenderingInfo info,<a name="line.120"></a>
<span class="sourceLineNo">121</span>                         XYPlot plot,<a name="line.121"></a>
<span class="sourceLineNo">122</span>                         ValueAxis domainAxis,<a name="line.122"></a>
<span class="sourceLineNo">123</span>                         ValueAxis rangeAxis,<a name="line.123"></a>
<span class="sourceLineNo">124</span>                         XYDataset dataset,<a name="line.124"></a>
<span class="sourceLineNo">125</span>                         int series,<a name="line.125"></a>
<span class="sourceLineNo">126</span>                         int item,<a name="line.126"></a>
<span class="sourceLineNo">127</span>                         CrosshairState crosshairState,<a name="line.127"></a>
<span class="sourceLineNo">128</span>                         int pass) {<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>        WindDataset windData = (WindDataset) dataset;<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>        Paint seriesPaint = getItemPaint(series, item);<a name="line.132"></a>
<span class="sourceLineNo">133</span>        Stroke seriesStroke = getItemStroke(series, item);<a name="line.133"></a>
<span class="sourceLineNo">134</span>        g2.setPaint(seriesPaint);<a name="line.134"></a>
<span class="sourceLineNo">135</span>        g2.setStroke(seriesStroke);<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span>        // get the data point...<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>        Number x = windData.getX(series, item);<a name="line.139"></a>
<span class="sourceLineNo">140</span>        Number windDir = windData.getWindDirection(series, item);<a name="line.140"></a>
<span class="sourceLineNo">141</span>        Number wforce = windData.getWindForce(series, item);<a name="line.141"></a>
<span class="sourceLineNo">142</span>        double windForce = wforce.doubleValue();<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>        double wdirt = Math.toRadians(windDir.doubleValue() * (-30.0) - 90.0);<a name="line.144"></a>
<span class="sourceLineNo">145</span><a name="line.145"></a>
<span class="sourceLineNo">146</span>        double ax1, ax2, ay1, ay2, rax2, ray2;<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span>        RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();<a name="line.148"></a>
<span class="sourceLineNo">149</span>        RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();<a name="line.149"></a>
<span class="sourceLineNo">150</span>        ax1 = domainAxis.valueToJava2D(x.doubleValue(), plotArea,<a name="line.150"></a>
<span class="sourceLineNo">151</span>                domainAxisLocation);<a name="line.151"></a>
<span class="sourceLineNo">152</span>        ay1 = rangeAxis.valueToJava2D(0.0, plotArea, rangeAxisLocation);<a name="line.152"></a>
<span class="sourceLineNo">153</span><a name="line.153"></a>
<span class="sourceLineNo">154</span>        rax2 = x.doubleValue() + (windForce * Math.cos(wdirt) * 8000000.0);<a name="line.154"></a>
<span class="sourceLineNo">155</span>        ray2 = windForce * Math.sin(wdirt);<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span>        ax2 = domainAxis.valueToJava2D(rax2, plotArea, domainAxisLocation);<a name="line.157"></a>
<span class="sourceLineNo">158</span>        ay2 = rangeAxis.valueToJava2D(ray2, plotArea, rangeAxisLocation);<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span>        int diri = windDir.intValue();<a name="line.160"></a>
<span class="sourceLineNo">161</span>        int forcei = wforce.intValue();<a name="line.161"></a>
<span class="sourceLineNo">162</span>        String dirforce = diri + "-" + forcei;<a name="line.162"></a>
<span class="sourceLineNo">163</span>        Line2D line = new Line2D.Double(ax1, ay1, ax2, ay2);<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span>        g2.draw(line);<a name="line.165"></a>
<span class="sourceLineNo">166</span>        g2.setPaint(Color.blue);<a name="line.166"></a>
<span class="sourceLineNo">167</span>        g2.setFont(new Font("Dialog", 1, 9));<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span>        g2.drawString(dirforce, (float) ax1, (float) ay1);<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span>        g2.setPaint(seriesPaint);<a name="line.171"></a>
<span class="sourceLineNo">172</span>        g2.setStroke(seriesStroke);<a name="line.172"></a>
<span class="sourceLineNo">173</span><a name="line.173"></a>
<span class="sourceLineNo">174</span>        double alx2, aly2, arx2, ary2;<a name="line.174"></a>
<span class="sourceLineNo">175</span>        double ralx2, raly2, rarx2, rary2;<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span>        double aldir = Math.toRadians(windDir.doubleValue()<a name="line.177"></a>
<span class="sourceLineNo">178</span>                * (-30.0) - 90.0 - 5.0);<a name="line.178"></a>
<span class="sourceLineNo">179</span>        ralx2 = wforce.doubleValue() * Math.cos(aldir) * 8000000 * 0.8<a name="line.179"></a>
<span class="sourceLineNo">180</span>        + x.doubleValue();<a name="line.180"></a>
<span class="sourceLineNo">181</span>        raly2 = wforce.doubleValue() * Math.sin(aldir) * 0.8;<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
<span class="sourceLineNo">183</span>        alx2 = domainAxis.valueToJava2D(ralx2, plotArea, domainAxisLocation);<a name="line.183"></a>
<span class="sourceLineNo">184</span>        aly2 = rangeAxis.valueToJava2D(raly2, plotArea, rangeAxisLocation);<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span>        line = new Line2D.Double(alx2, aly2, ax2, ay2);<a name="line.186"></a>
<span class="sourceLineNo">187</span>        g2.draw(line);<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>        double ardir = Math.toRadians(windDir.doubleValue()<a name="line.189"></a>
<span class="sourceLineNo">190</span>                * (-30.0) - 90.0 + 5.0);<a name="line.190"></a>
<span class="sourceLineNo">191</span>        rarx2 = wforce.doubleValue() * Math.cos(ardir) * 8000000 * 0.8<a name="line.191"></a>
<span class="sourceLineNo">192</span>                + x.doubleValue();<a name="line.192"></a>
<span class="sourceLineNo">193</span>        rary2 = wforce.doubleValue() * Math.sin(ardir) * 0.8;<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span>        arx2 = domainAxis.valueToJava2D(rarx2, plotArea, domainAxisLocation);<a name="line.195"></a>
<span class="sourceLineNo">196</span>        ary2 = rangeAxis.valueToJava2D(rary2, plotArea, rangeAxisLocation);<a name="line.196"></a>
<span class="sourceLineNo">197</span><a name="line.197"></a>
<span class="sourceLineNo">198</span>        line = new Line2D.Double(arx2, ary2, ax2, ay2);<a name="line.198"></a>
<span class="sourceLineNo">199</span>        g2.draw(line);<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span>    }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>    /**<a name="line.203"></a>
<span class="sourceLineNo">204</span>     * Returns a clone of the renderer.<a name="line.204"></a>
<span class="sourceLineNo">205</span>     *<a name="line.205"></a>
<span class="sourceLineNo">206</span>     * @return A clone.<a name="line.206"></a>
<span class="sourceLineNo">207</span>     *<a name="line.207"></a>
<span class="sourceLineNo">208</span>     * @throws CloneNotSupportedException  if the renderer cannot be cloned.<a name="line.208"></a>
<span class="sourceLineNo">209</span>     */<a name="line.209"></a>
<span class="sourceLineNo">210</span>    public Object clone() throws CloneNotSupportedException {<a name="line.210"></a>
<span class="sourceLineNo">211</span>        return super.clone();<a name="line.211"></a>
<span class="sourceLineNo">212</span>    }<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span>}<a name="line.214"></a>




























































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